The Biotex Fit 4.0 long sleeve base layer is designed and made with cutting-edge materials and processing techniques that regulate body temperature in just a few grams of weight. It retains body heat during the coldest months of the year.

• Perfect for those who practice outdoor sports during the winter: the high-quality fabric and its 3D processing guarantee long-lasting comfort.
• Extra comfort for the coldest days thanks to the areas with 3D sponge knit that provide a continuous feeling of warmth and allow for maximum breathability.
• Seamless on the sides, it is comfortable, with no compression, and ensures maximum freedom of movement.
• The BTX polypropylene fiber used makes the long sleeve base layer elastic and lightweight, ensuring maximum breathability and regulating body temperature while keeping the skin always dry and warm.
• Color: Black.